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Finding the Third Proportional to 358,585 and 772,495

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Solution

The third proportional to 358,585 and 772,495 is: 1,664,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,585 : 772,495 = 772,495 : x
  2. Step 2: Convert to fraction form
    358,585/772,495 = 772,495/x
  3. Step 3: Cross multiply
    358,585x = 772,495 × 772,495
  4. Step 4: Simplify right side
    358,585x = 596,748,525,025
  5. Step 5: Solve for x
    x = 596,748,525,025/358,585
  6. Step 6: Final answer
    x = 1,664,175.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.